/* 整体 */
*{
    margin:0;
    padding: 0;
    font-size: 14px;
}
/* 页面右边 */
/* 头部 */
.first{
    margin-top: 20px;
    margin-left: 10px;
}
.btn-primary{
    background-color: #5cb85c;
}
.mb-3{
    width: 300px;
}
.form-control{
    position: relative;
    top: -25px;
    left: 600px;
}
.btn-outline-secondary{
    position: relative;
    top: -60px;
    left: 900px;
    background-color: #5cb85c;
}
.table-hover{
    position: relative;
    top:-25px;
    left: 10px;
}